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          <h1>CSS 介绍</h1>
          <p>CSS代表级联样式表（ Cascading Style Sheets）。CSS是一种标准样式表语言，用于描述网页的表示形式（即布局和格式）。</p>
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                <li class="list-inline-item me-0 text-gray align-middle">By </li>
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                  <a class="fw-bold reset-anchor" href="#!"> 某某某老师</a>
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                <li class="list-inline-item text-gray align-middle me-0">|</li>
                <li class="list-inline-item text-gray align-middle">22 Mar 2018</li>
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              <h3 class="h4 mt-2"> <a class="reset-anchor" href="post.html">CSS可以做什么</a></h3>
              <a class="reset-anchor text-gray text-uppercase small mb-2 d-block" href="#!">Websites for learning</a>
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                您可以轻松地将相同的样式规则应用于多个元素。
                您可以使用一个样式表来控制网站多个页面的显示。
                您可以在不同设备上以不同方式显示同一页面。
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                  <a class="fw-bold reset-anchor" href="#!">某某某老师</a>
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                <li class="list-inline-item text-gray align-middle me-0">|</li>
                <li class="list-inline-item text-gray align-middle">22 Mar 2018</li>
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                <a class="reset-anchor" href="post.html">使用CSS的优点</a>
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              <a class="reset-anchor text-gray text-uppercase small mb-2 d-block" href="#!">Websites for learning</a>
              <p class="text-small mb-1">
                CSS节省大量时间 -CSS提供了很多灵活性来设置元素的样式属性。您可以编写一次CSS。
                然后相同的代码可以应用于HTML元素组，也可以在多个HTML页面中重复使用。
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                  <a class="fw-bold reset-anchor" href="#!">某某某老师</a>
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                <li class="list-inline-item text-gray align-middle me-0">|</li>
                <li class="list-inline-item text-gray align-middle">22 Mar 2018</li>
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                <a class="reset-anchor" href="post.html">CSS入门</a>
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              <p class="text-small mb-1">
                在本教程中，您将学习使用CSS向网页添加样式和格式设置信息有多么容易。
                但是，在开始之前，请确保您具有HTML的一些使用知识。
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                  <a class="fw-bold reset-anchor" href="#!">某某某老师</a>
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                <li class="list-inline-item text-gray align-middle me-0">|</li>
                <li class="list-inline-item text-gray align-middle">22 Mar 2018</li>
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              <h3 class="h4 mt-2">
                <a class="reset-anchor" href="post.html">内联样式</a>
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              <a class="reset-anchor text-gray text-uppercase small mb-2 d-block" href="#!">Websites forlearning</a>
              <p class="text-small mb-1">
                内联样式用于通过将CSS规则直接放入开始标记中来将唯一样式规则应用于元素。可以使用style属性将其附加到元素。
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                <li class="list-inline-item me-0 text-gray align-middle">By </li>
                <li class="list-inline-item align-middle me-0">
                  <a class="fw-bold reset-anchor" href="#!">某某某老师</a>
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                <li class="list-inline-item text-gray align-middle me-0">|</li>
                <li class="list-inline-item text-gray align-middle">22 Mar 2018</li>
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              <h3 class="h4 mt-2">
                <a class="reset-anchor" href="post.html">内联样式</a>
              </h3>
              <a class="reset-anchor text-gray text-uppercase small mb-2 d-block" href="#!">Websites forlearning</a>
              <p class="text-small mb-1">
                内联样式用于通过将CSS规则直接放入开始标记中来将唯一样式规则应用于元素。可以使用style属性将其附加到元素。
              </p>
              <a class="btn btn-link" href="index.html">查看更多</a>
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                <li class="list-inline-item me-0 text-gray align-middle">By </li>
                <li class="list-inline-item align-middle me-0">
                  <a class="fw-bold reset-anchor" href="#!">某某某老师</a>
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                <li class="list-inline-item text-gray align-middle me-0">|</li>
                <li class="list-inline-item text-gray align-middle">22 Mar 2018</li>
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              <h3 class="h4 mt-2">
                <a class="reset-anchor" href="post.html">内联样式</a>
              </h3>
              <a class="reset-anchor text-gray text-uppercase small mb-2 d-block" href="#!">Websites forlearning</a>
              <p class="text-small mb-1">
                内联样式用于通过将CSS规则直接放入开始标记中来将唯一样式规则应用于元素。可以使用style属性将其附加到元素。
              </p>
              <a class="btn btn-link" href="index.html">查看更多</a>
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                <li class="list-inline-item me-0 text-gray align-middle">By </li>
                <li class="list-inline-item align-middle me-0">
                  <a class="fw-bold reset-anchor" href="#!">某某某老师</a>
                </li>
                <li class="list-inline-item text-gray align-middle me-0">|</li>
                <li class="list-inline-item text-gray align-middle">22 Mar 2018</li>
              </ul>
              <h3 class="h4 mt-2">
                <a class="reset-anchor" href="post.html">内联样式</a>
              </h3>
              <a class="reset-anchor text-gray text-uppercase small mb-2 d-block" href="#!">Websites forlearning</a>
              <p class="text-small mb-1">
                内联样式用于通过将CSS规则直接放入开始标记中来将唯一样式规则应用于元素。可以使用style属性将其附加到元素。
              </p>
              <a class="btn btn-link" href="index.html">查看更多</a>
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                <li class="list-inline-item me-0 text-gray align-middle">By </li>
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                  <a class="fw-bold reset-anchor" href="#!">Jimmy Roy</a>
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                <li class="list-inline-item text-gray align-middle me-0">|</li>
                <li class="list-inline-item text-gray align-middle">22 Mar 2018</li>
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              <h3 class="h4 mt-2">
                <a class="reset-anchor" href="post.html">内联样式</a>
              </h3>
              <a class="reset-anchor text-gray text-uppercase small mb-2 d-block" href="#!">Websites forlearning</a>
              <p class="text-small mb-1">
                内联样式用于通过将CSS规则直接放入开始标记中来将唯一样式规则应用于元素。可以使用style属性将其附加到元素。
              </p>
              <a class="btn btn-link" href="index.html">查看更多</a>
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            <h3 class="h4">Websites forlearning</h3>
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              超文本标签语言（英文全称：HyperText Markup Language，简称：HTML）是一种用于创建网页的标准标签语言。
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              超文本标签语言（英文全称：HyperText Markup Language，简称：HTML）是一种用于创建网页的标准标签语言。
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              超文本标签语言（英文全称：HyperText Markup Language，简称：HTML）是一种用于创建网页的标准标签语言。
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                  <p class="small text-primary text-uppercase mb-0">5 Aug 2018</p>
                  <h6 class="mb-1"><a class="reset-anchor" href="post.html">HTML</a></h6>
                  <p class="small text-muted">超文本标签语言是一种用于创建网页的标准标签语言。</p>
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                  <p class="small text-primary text-uppercase mb-0">5 Aug 2018</p>
                  <h6 class="mb-1"><a class="reset-anchor" href="post.html">HTML</a></h6>
                  <p class="small text-muted">超文本标签语言是一种用于创建网页的标准标签语言。</p>
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                <div class="media-body ms-3">
                  <p class="small text-primary text-uppercase mb-0">5 Aug 2018</p>
                  <h6 class="mb-1"><a class="reset-anchor" href="post.html">HTML</a></h6>
                  <p class="small text-muted">超文本标签语言是一种用于创建网页的标准标签语言。</p>
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            <p class="text-sm text-muted">超文本标签语言是一种用于创建网页的标准标签语言。</p>
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